Iron Mtn RD over Spring Creek
FairShasta County, California · 1.4 MI N Keswick Dam RD · Structure no. 06C0261
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected August 2024
- Type
- Arch - Deck
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 114
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Iron Mtn RD over Spring Creek is a concrete arch - deck carrying Iron Mtn RD over Spring Creek in Shasta County, California. It was built in 1960, so it is 65 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 114 vehicles a day, roughly 10% of them trucks, projected to reach 461 by 2044. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Iron Mtn RD over Spring Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is Iron Mtn RD over Spring Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Iron Mtn RD over Spring Creek carry?
About 114 vehicles per day (2012 count), of which roughly 10% are trucks.
How long is Iron Mtn RD over Spring Creek?
The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m).
Who owns Iron Mtn RD over Spring Creek?
It is owned by the County Highway Agency.